Valley Falls State Park was created in 1964.
Poe Valley State Park was created in 1938.
Valley of Fire State Park was created in 1935.
Goblin Valley State Park was created in 1964.
Spring Valley State Park was created in 1969.
Clifty Falls State Park was created in 1920.
Pedernales Falls State Park was created in 1971.
Blackwater Falls State Park was created in 1937.
McKinney Falls State Park was created in 1976.
Wadsworth Falls State Park was created in 1942.
Falls of the Ohio State Park was created in 1990.
Kent Falls State Park was created in 1919.
Amnicon Falls State Park was created in 1961.